Milford Power Project
Natural gas power plant in New Haven County, Connecticut. 578 MW of nameplate capacity across 2 generators, operated by Milford Power Co LLC.
Also known as Milford Power Plant · EIA plant 55126
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Key facts
- Capacity
- 578 MWNameplate
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- February 2004First generator online
- Operator
- Milford Power Co LLCEIA operator ID 12568
- Grid
- ISO-NEBalancing authority ISNE
- Price nodes
- 2 ISONE nodesResource nodes with prices
- Location
- New Haven County, CT41.2244, −73.0997
- EIA plant ID
- 55126EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Milford Power Project produces
Free · EIA-923Net generation, 2025
3.37 TWh
3,368,307 MWh, final
Capacity factor, 2025
66.5%
2024: 74.7%
January to July 2026
1.96 TWh
Provisional
Range, 2015 to 2025
3.0–3.8
TWh a year. Low 2017, high 2024
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | 621,722 | Not reported | 3 of 12 |
| 2005 | 2,698,766 | Not reported | 12 of 12 |
| 2006 | 2,957,856 | Not reported | 12 of 12 |
| 2007 | 2,731,935 | Not reported | 12 of 12 |
| 2008 | Not reported | Not reported | 0 of 12 |
| 2009 | 3,574,165 | Not reported | 12 of 12 |
| 2010 | 3,395,512 | 67.1% | 12 of 12 |
| 2011 | 3,920,883 | 77.4% | 12 of 12 |
| 2012 | 3,651,538 | 71.9% | 12 of 12 |
| 2013 | 3,748,080 | 74.0% | 12 of 12 |
| 2014 | Not reported | Not reported | 0 of 12 |
| 2015 | 3,488,446 | 68.9% | 12 of 12 |
| 2016 | 3,168,354 | 62.4% | 12 of 12 |
| 2017 | 2,997,172 | Not reported | 12 of 12 |
| 2018 | 3,669,750 | 72.5% | 12 of 12 |
| 2019 | 3,713,789 | 73.3% | 12 of 12 |
| 2020 | 3,496,191 | 68.9% | 12 of 12 |
| 2021 | 3,317,637 | 65.5% | 12 of 12 |
| 2022 | 3,696,502 | 73.0% | 12 of 12 |
| 2023 | 3,556,428 | 70.2% | 12 of 12 |
| 2024 | 3,793,320 | 74.7% | 12 of 12 |
| 2025 | 3,368,307 | 66.5% | 12 of 12 |
| 2026 (provisional, partial year) | 1,961,786 | 66.7% | 7 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free account · ISONEEmissions
Free · EPA CAMPDCO₂, 2025
1.48M
US short tons. 2024: 1.68M
SO₂, 2025
8
US short tons
NOx, 2025
94
US short tons
CO₂ per MWh, calculated
0.44 t
About 878 lb per MWh
2 of 2 EPA units reported CO₂ in 2025 (CT01, CT02), matched to EIA plant 55126 through the EPA–EIA crosswalk. The per-MWh rate is EPA CO₂ divided by EIA-923 net generation. The two reporting boundaries can differ.
Water use
Free · EIA-923 cooling, USGSWithdrawal, 2024
962
million gallons
Consumption, 2024
689
million gallons
Source
Housatonic River
Surface, Brackish. Induced-draft tower
Watershed stress
Very low/none · 0.144
USGS SUI, HUC12 Housatonic River-Frontal Long Island Sound
12 of 12 cooling months report withdrawal. Saline, brackish or ocean intake; not tested. Blank volumes are unreported, not zero.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| CA01 | Natural Gas Fired Combined Cycle | 289.0 | February 2004 |
| CA02 | Natural Gas Fired Combined Cycle | 289.0 | May 2004 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Milford Power Co LLC as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
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Questions about Milford Power Project
How much power does Milford Power Project produce?
Milford Power Project reported 3,368,307 MWh (3.37 TWh) of net generation in 2025, a 66.5% capacity factor on 578 MW of nameplate capacity. From January to July 2026 it reported 1.96 TWh, which is provisional.
Where is Milford Power Project?
Milford Power Project is in New Haven County, Connecticut, at 41.2244, −73.0997. It is in the ISO New England Inc. balancing area (ISNE).
Who operates Milford Power Project?
EIA-860M for August 2026 lists Milford Power Co LLC as the operator (EIA operator ID 12568). The operator is not always the owner.
When did Milford Power Project start operating?
Its first generator began operating in February 2004, according to EIA-860M.
Does InfraMap have power prices for Milford Power Project?
Yes. InfraMap has ISONE day-ahead and real-time prices at 2 price nodes linked to Milford Power Project, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
- EPA CAMPD annual emissions through the EPA–EIA crosswalk, 1995 to 2025
- ISONE day-ahead and real-time prices; node and hub assignments as of 2026-10-05
- EIA-923 cooling water 2024 and the USGS surface water supply and use index, Water years 2010-2020 (Oct 2009 to Sep 2020), mean of monthly values
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page